From: William Lee Irwin III <wli@holomorphy.com>
To: Peter Chubb <peter@chubb.wattle.id.au>,
Andrew Morton <akpm@osdl.org>,
Peter Chubb <peterc@gelato.unsw.edu.au>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] 2.6.0-test4 -- add context switch counters
Date: Thu, 28 Aug 2003 10:07:16 -0700 [thread overview]
Message-ID: <20030828170716.GG4306@holomorphy.com> (raw)
In-Reply-To: <20030828165504.GA21352@matchmail.com>
On Wed, Aug 27, 2003 at 12:51:43AM -0700, William Lee Irwin III wrote:
>> We don't have load control yet; the counters should probably be removed
>> until we do.
On Thu, Aug 28, 2003 at 09:55:04AM -0700, Mike Fedyk wrote:
> Why not just count the number of pages swapped in/out per process? I'm sure
> that would be helpful for VM tools polling for stats from userspace... And
> even in the development of load control.
That's good to report, sure; however, that would violate the semantics
of getrusage(), whose nswap refers to whole-process swapping done for
the purposes of reducing the multiprogramming level (i.e. load control).
-- wli
next prev parent reply other threads:[~2003-08-28 17:06 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-08-27 0:57 [PATCH] 2.6.0-test4 -- add context switch counters Peter Chubb
2003-08-27 1:18 ` Andrew Morton
2003-08-27 1:29 ` Mike Fedyk
2003-08-27 1:52 ` Peter Chubb
2003-08-27 7:16 ` William Lee Irwin III
2003-08-27 7:39 ` Peter Chubb
2003-08-27 7:51 ` William Lee Irwin III
2003-08-28 16:55 ` Mike Fedyk
2003-08-28 17:07 ` William Lee Irwin III [this message]
2003-08-28 17:09 ` William Lee Irwin III
2003-08-28 17:48 ` Mike Fedyk
2003-08-27 8:10 ` William Lee Irwin III
2003-08-27 1:50 ` Peter Chubb
2003-08-27 7:26 ` William Lee Irwin III
2003-11-18 1:18 ` William Lee Irwin III
2003-08-27 14:41 ` bert hubert
2003-08-27 6:54 ` William Lee Irwin III
2003-08-27 15:52 ` Larry McVoy
2003-08-27 16:01 ` William Lee Irwin III
2003-08-27 16:09 ` Larry McVoy
2003-08-27 17:57 ` William Lee Irwin III
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